import java.util.Scanner;

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        while (scanner.hasNextInt()) {
            int x = scanner.nextInt();
            int y = scanner.nextInt();
            Sub sub = new Sub(x, y);
            sub.calculate();
        }
    }

}

class Base {

    private int x;
    private int y;

    public Base(int x, int y) {
        this.x = x;
        this.y = y;
    }

    public int getX() {
        return x;
    }

    public int getY() {
        return y;
    }

    public void calculate() {
        System.out.println(getX() * getY());
    }

}

class Sub extends Base {
    //write your code here......
    Sub(int x, int y) {
        super(x,y);
    }

    public void calculate() {
        if (super.getY() == 0) {
            System.out.println("Error");
        } else {
            System.out.println(getX() / getY());
        }
    }

}

/*public class Main {

        public static void main(String[] args) {
            Person p = new Person();
            Scanner scanner = new Scanner(System.in);
            while (scanner.hasNextInt()) {
                int age = scanner.nextInt();
                p.setAge(age);
                System.out.println(p.getAge());
            }
        }

    }

    class Person {

        private int age;

        public int getAge() {
            if (age < 0) {
                return 0;
            } else if (age > 200) {
                return 200;
            } else {
                return age;
            }
        }

        public void setAge(int age) {
            this.age = age;
        }
        //write your code here......


    }*/


